From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46119C43334 for ; Wed, 13 Jul 2022 10:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235255AbiGMKzU (ORCPT ); Wed, 13 Jul 2022 06:55:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229941AbiGMKzS (ORCPT ); Wed, 13 Jul 2022 06:55:18 -0400 X-Greylist: delayed 14423 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 13 Jul 2022 03:55:16 PDT Received: from 4.mo560.mail-out.ovh.net (4.mo560.mail-out.ovh.net [87.98.172.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4FF292865 for ; Wed, 13 Jul 2022 03:55:16 -0700 (PDT) Received: from player696.ha.ovh.net (unknown [10.111.172.22]) by mo560.mail-out.ovh.net (Postfix) with ESMTP id 8694621BB2 for ; Wed, 13 Jul 2022 10:55:15 +0000 (UTC) Received: from RCM-web6.webmail.mail.ovh.net (ip-194-187-74-233.konfederacka.maverick.com.pl [194.187.74.233]) (Authenticated sender: rafal@milecki.pl) by player696.ha.ovh.net (Postfix) with ESMTPSA id 2348B226D0A0E; Wed, 13 Jul 2022 10:55:03 +0000 (UTC) MIME-Version: 1.0 Date: Wed, 13 Jul 2022 12:55:03 +0200 From: =?UTF-8?Q?Rafa=C5=82_Mi=C5=82ecki?= To: Florian Fainelli Cc: Krzysztof Kozlowski , William Zhang , Linux ARM List , kursad.oney@broadcom.com, anand.gore@broadcom.com, dan.beygelman@broadcom.com, Broadcom Kernel List , joel.peshkin@broadcom.com, Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 3/3] arm64: dts: bcmbca: update bcm4808 board dts file In-Reply-To: <900ac3ed-a77c-3cc0-f5ab-c45267a1a4ba@gmail.com> References: <20220712021144.7068-1-william.zhang@broadcom.com> <20220712021144.7068-4-william.zhang@broadcom.com> <900ac3ed-a77c-3cc0-f5ab-c45267a1a4ba@gmail.com> User-Agent: Roundcube Webmail/1.4.13 Message-ID: X-Sender: rafal@milecki.pl X-Originating-IP: 194.187.74.233 X-Webmail-UserID: rafal@milecki.pl Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Ovh-Tracer-Id: 11858822245462879195 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvfedrudejjedgfeefucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepggffhffvvefujghffgfkgihitgfgsehtjehjtddtredvnecuhfhrohhmpeftrghfrghlpgfoihhlvggtkhhiuceorhgrfhgrlhesmhhilhgvtghkihdrphhlqeenucggtffrrghtthgvrhhnpeegvdffjeelvdeggeetheegveejieetgeeiiefggeelveejffehieekhfduueelhfenucfkpheptddrtddrtddrtddpudelgedrudekjedrjeegrddvfeefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhpohhuthdphhgvlhhopehplhgrhigvrheileeirdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheprhgrfhgrlhesmhhilhgvtghkihdrphhlpdhnsggprhgtphhtthhopedupdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdfovfetjfhoshhtpehmohehiedt Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-07-12 17:36, Florian Fainelli wrote: > On 7/12/22 00:47, Krzysztof Kozlowski wrote: >> On 12/07/2022 04:11, William Zhang wrote: >>> Update compatible string based on the new bcmbca binding rule >>> for BCM4908 famliy based boards >> >> Typo - family >> >> Please explain why breaking the ABI (and users of these DTS_ is >> acceptable. > > This will be largely targeted towards Rafal who supports these kinds > of devices with an upstream kernel. My understanding is that this is > OK because we will always ship a DTB matching the Linux kernel, and I > believe this is true for both the way that William and his group > support these devices, as well as how OpenWrt, buildroot or other > build systems envision to support these devices. > > Rafal, does that sound about right? Right - in all cases I'm aware of - Linux gets shipped with DTB files. So such change won't actually break anything in real world.